Footwear sole



FIG. 1 is a perspective view of a footwear sole embodying the design of the present invention with a footwear upper being shown in phantom, the footwear upper does not form a part of the design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is an inside elevational view thereof; and,

FIG. 6 is an outside elevational view thereof.

The top is unornamented. 

The ornamental design for footwear sole, as shown and described. 